| Class | Description | 
|---|---|
| DateUtil |   A utility class with various methods for dealing with dates, calendars and time.   |  
| Period |   Type of time period, for instance SECOND, MINUTE, HOUR, DAY etc.   |  
| RelativeDate |   Representation of a relative date.   |  
| RelativeDateRangePosition |   The relative date range position, used to indicate the position of a   RelativeDateShortcut. |  
| RelativeDateShortcut |   Shortcuts for relative dates.   |